peter doocy is live in newtown. what exactly is the medical examiner trying to prove or look into here? >> reporter: jenna, the chief medical examiner, wayne carver, has recruit ad geneticist from you con, the university of connecticut, if there is known dizzy or disorder could be associated with the kind of murderous behavior that adam lanza showed last friday. dr. carver doesn't know for sure if adam had asperger's, but if he did that would not be associated with this kind of violence. he wants a geneticist to help figure out what kind of disorder s 25-year-old marine from sandy hook, that adam lanza thought his mom cared more for kindergartners she volunteered with last year than they did for him. he may have gone to their first grade classroom on friday when he found his mom was trying to send him to a mental institution. this marine told foxnews.com, quote, from what i've been told, adam was aware of her petitioning the court for conservatorship and her plans to have him committed. adam was apparently very upse